hi, there!

On Mon, 6 Mar 2000, Chet Ramey wrote:

> > >: to
> > >: 
> > >:  sh_subdirs=${SUBDIRS}; for f in $$sh_subdirs ; do ...
> > >
> > 
> > >there's lots of other workarounds, from seeing if SUBDIRS is defined,
> > >to using make's .foreach.
> > 
> > Another option is:
> >     
> >     for f in $$empty_list ${SUBDIRS}; do ...
> > 
> > where 'empty_list' is any undefined sh variable.
> 
> Not bad, but will break if the shell is run with the `-u' option on
> for some reason.

man 1 sh:
     -u nounset
             Write a message to standard error when attempting to expand a
             variable that is not set, and if the shell is not 
             interactive, exit immediately.  (UNIMPLEMENTED)
                                              ^^^^^^^^^^^^^
:)

/fjoe



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